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Instrument
Automatic Filters > HDF Model

HDF Model

Automatic Self Cleaning Filter - HDF Model

General Characteristics
The Body Material St-37 – AISI 316L
The Screen Material AISI 304L – CAGEPRGF
The Maximum Working Pressure 10 bar
The Minimum Output Pressure 2,5 bar
The Maximum Working Temperature 60o
The Back Washing Time Timing and Pressure Setup
Control System The Electronic and Hydraulic Control
Filtration Sensitivity 20 – 400 micron
The Paint Material Epoxi poliester
The filter body is St-37 or stainless-steel optionality
The filtering in pressured lines
High performance during the back washing
Extensive Filtering Surface
Easy-to assembly and fitler components, not required to change
100% back washing performance
The back washing time for 5-30 sec.
Working opportunity, not required additional energy
The minimum head and water loss
Technical Specifications
Code
Input / Output
A
B
L1
L
D
Flow Rate
Filt. Surface
Weight
 
inch
dn
(mm)
(mm)
(mm)
(mm)
(inch)
(m3/h)
(cm2)
(kg)
HDF 104
4
100
500
287
1040
1550
10”
120
2634
87
HDF 104S
4
100
600
287
1240
1750
10”
140
3951
92
HDF 105
5
125
600
287
1240
1750
10”
150
3951
94
HDF 105S
5
125
900
287
1550
2060
10”
160
5268
127
HDF 106
6
150
900
287
1550
2060
10”
180
5268
131
HDF 126S
6
150
1100
312
1942
2442
12”
220
7902
147
HDF 128
8
200
1100
312
1942
2442
12”
320
7902
151
HDF 1210
10
250
1100
312
1942
2442
12”
380
7902
161
Working Principle

Water, entered from input collector, puts particules, contained by itself, in rough screen (3) and passes to part which include multiplex filter (3). It is protected with a rough material with screen over of multiplex screen. The thin filter goes to output collector side (4). Particles, collected on multiplex screen, constitute a pollution layer over of the filter and a pressure difference in the outsite collector. This pressure difference open a back flushing unit washing decharge valve (10) in the value, designed previously (12) and a powerful back flushing flow consists from decharge pipet o atmosphere (11). This flow cleans the particle layyer, collected on filter by creating a vacuum from holes over of nozzle (6).

The dirty water, absorbed on multiplex filter, creates real volution by passing from water cleaning nozzle pipe (7) and hydrolic turbine (8). The pressure loss, consisted of turbine container (4) and plunger dreinage (9) constitutes an axial movement. The spiral headway, constituted by this axial and volution together, obtains the absorbing whole filter surface by vacuum nozzles.

When this process is done, the cleaning collector makes a second back flushing with warns with its warning switches and turns its first position. Transaction is completed.

During the back washing, the filtration process contiunes and after the back washing process, the filter stands by until next pressure difference signal.

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